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CVE-2026-111809critical9.3

Apache Traffic Server: HEAD requests carrying Content-Length or Transfer-Encoding enable request smuggling

Impact

Apache Traffic Server allows request smuggling via HEAD requests that carry Content-Length or Transfer-Encoding.

Source excerpt · apache

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Apache Software Foundation · Apache Traffic Server

Other versions: unaffected

Version / rangeSource status
8.0.0 through 8.1.11 (inclusive)affected
9.0.0 through 9.2.15 (inclusive)affected
10.0.0 through 10.1.4 (inclusive)affected
10.2.0affected
apache version evidence

Original source description

Apache Traffic Server allows request smuggling via HEAD requests that carry Content-Length or Transfer-Encoding.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0.

Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.

References